R181 road
Bóthar R181
Muckno Street, Castleblayney, on the R181
Route information
Length	28 km (17 mi)
Location
Country	Ireland
Primary destinations	County Monaghan Castleblayney
Highway system
Roads in Ireland Motorways Primary Secondary Regional

The R181 is a regional road in Ireland, running from the R162 near Shercock to the border with Northern Ireland near Keady, where it meets the B32.

Route

The R181 begins on the R162 road near Shercock in County Cavan. It soon enters County Monaghan and continues to Castleblayney, where it runs along the main street before reaching a junction with the R182. It then heads to the border, which it crosses, becoming the B32, which continues to Keady.